
class DBExportException(Exception):
    """
    Base class for all exception
    Each custom exception should be derived from this class.
    """

    pass


class DBExporterUnknownFunction(DBExportException):
    pass


class DBExporterParamMissException(DBExportException):
    pass


class DBExporterUnknownClassException(DBExportException):
    pass


class DBExporterTypeException(DBExportException):
    pass
